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EFFECTS OF HIGH AND LOW IRRIGATION ON SYMBIOTIC NITROGEN FIXATION ON COWPEA (VIGNA UNGUICULATA (L.) WALP.)

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Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/291221
Date January 1982
CreatorsMohamed, Ibrahim Elbashir
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageGerman
Typetext, Thesis-Reproduction (electronic)
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.

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